Hard on the eyes': Defective streetlights on some Calgary roadways have drivers blue

Scores of streetlights along some of Calgary

Evergy: Manufacturer will replace defective street lights turning purple

Light Pollution Abatement - Light and The Eye

Why UV light? : r/Calgary

Why dozens of street lights on 2 major Calgary roads are turning blue (or purple)

Hard on the eyes': Defective streetlights on some Calgary roadways have drivers blue

News Track: State replaces hundreds of faulty streetlights

Why dozens of street lights on 2 major Calgary roads are turning blue (or purple)

How Calgary's Traffic Signals Work - Avenue Calgary

Those colourful street lights aren't supposed to be blue or purple

Why are some lights on Stoney magenta/blue? : r/Calgary

When you get older, driving at night gets to be a challenge. The glare of oncoming

These intersections are driving Calgarians crazy